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Flashcards in GI REVIEW SHEET Deck (40)
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Streptococcus mutans, Form biofilms on teethand gum lines, Diets high in sucrose

Dental caries

1

Porphyromonas gingivalis, Gums that are swollen, tender,
bright red, or bleeding; biofilms on teeth and gum lines.

Gingivitis

2

Helicobacter pylori, abdominal pain, Fecal-oral transmission.

Peptic ulcer
Duodenal-pain less with food.
Gastric-pain worse with food.

3

Vibrio cholerae, rice-stools, Fecal-oral, through food and water, most common Vibrio to infect humans.

Cholera (bacterialgastroenteritis)

4

Shigella sonnei, S. flexneri, S. dysenteriae, S. boydii, purulent bloody stools, contaminated hands And consuming
contaminated foods (esp. cold foods & salads), aka Bacillary dysentery;

Shigellosis (bacterial gastroenteritis)

5

Escherichia coli, Watery diarrhea, undercooked beef or unpasteurized milk/fruit juice; most commonly causes GI infection.

Travelers diarrhea

6

Campylobacter jejuni, Bloody and frequent
diarrhea (10+/day x 7-10 days), contaminated Poultry is the most common, Most common cause of bacterial gastroenteritis in the
US.

Campylobacter Diarrhea (bacterial gastroenteritis)

7

Clostridium difficile, formation of pseudo-membranes in colon, common opportunist after taking antimicrobials; common nosocomial infection, Life threatening peritonitis.

Pseudomembranouscolitis (bacterial gastroenteritis)

8

Salmonella enterica enteritidis, S. enterica typhimurium; Consuming contaminated eggs.

Salmonellosis:
Salmonella food poisoning

9

Salmonella enterica typhi, S. enterica paratyphi; can lead to peritonitis, Famous carrier is Typhoid Mary.

Salmonellosis: Typhoid Fever (enteric fever)

10

Staphylococcus aureus, diarrhea, cramping, Contaminated food.

Staphylococcal Food Poisoning

11

Clostridium perfringens, Abdominal cramps and watery diarrhea, NO FEVER, or N/V; Ingestion of contaminated meat, < 24hour duration.

Clostridial Food Poisoning

12

Yersinia enterocolitica; sometimes mimics appendicitis, Consumption of contaminated pork, likes kids.

Yersinia Food Poisoning

13

Bacillus cereus; Consumption of rice dishes, "Fried Rice syndrome"

Bacillus cereus food poisoning

14

(HHV – 1) (sometimesHHV-2); cold sores, DNA, Latent virus usually in trigeminal ganglia.

Oral Herpes

15

(Rubulavirus); Painful enlargement of the parotid salivary
glands (parotitis); testicular swelling in boys (orchitis), Vaccine has almost eradicated.

Mumps

16

Fecal-oral; also carried in food, especially seafood like oysters, 90% of viral gastroenteritis; #1 cause of foodborne illness in the US

Norovirus (Calicivirus)

17

N/V, diarrhea, abdominal pain, and cramps, Most common cause of infantile gastroenteritis

Rotavirus

18

diarrhea, abdominal pain, and cramps, NO vomiting, RNA

Astrovirus

19

Jaundice, abdominal pain, fatigue, vomiting, appetite loss; resistant to common household disinfectants

Hepatitis A

20

Most asymptomatic orhave mild symptoms; Jaundice, associated with liver cancer, Infected needles, sexual intercourse, and passage to babies; Coinfection with Hepatitis D virus increases risk of permanent liver damage.


Hepatitis B

21

Accounts for most non-A, non-B hepatitis in the US. Needles (includes piercings and tattoos), Accounts for most non-organ transplants, blood transfusions, and sexual activity; Chronic infection with few if any symptoms.

Hepatitis C

22

Jaundice, abdominal pain, fatigue, vomiting,appetite loss; plays a role in triggering liver cancer; Needs HBV co-infection, so called a satellite virus.

Hepatitis D

23

Fatal in 20% of pregnant women, aka Enteric hepatitis, found in seafood, pigs, cows, unclean water.

Hepatitis E

24

“rotten egg” smelling stools, Protozoa, aka Beaver Fever;
Common waterborne gastrointestinal disease in the US.
Giardia intestinalis

Giardiasis

25

Protozoa, contaminated water; Severe diarrhea, headache, muscular pain, cramping, severe fluid and weight loss

Cryptosporidiosis, Cryptosporidium parvum (aka Cryptosporidium enteritis)

26

Entamoeba histolytica; Protozoa, Consumption of
contaminated food or water, from contaminated hands, or oral-anal intercourse.

Amebiasis:
1) Luminal amebiasis is asymptomatic, 90% of all amebiasis'.
2) Invasive amebic dysentery causes severe diarrhea, colitis,appendicitis.
3) Invasive extraintestinal amebiasis causes necrotic lesions in various organs

27

Cyclospora cayetanensis; Protozoa, Outbreaks have been linked to raspberries

Cyclosporiasis

28

Balantidium coli; Protozoa, Healthy adults: asymptomatic; Food or water contaminated with feces containing cysts.

Balantidiasis

29

Tapeworm Infestations: Most are asymptomatic; weight loss, undercooked contaminated beef; proglottids = tapeworm segments.

Taenia saginata